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3 years ago

Perimeter of a triangle with side length of 13.9in,10.4,8.5in

Mathematics

2 answers:

AlladinOne [14]3 years ago

6 0

Perimeter =a+b+c

13.9 + 10.4 + 8.5 =

32.8 in (perimeter)

rjkz [21]3 years ago

4 0

32.8 is the perimeter of that triangle

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ABC with altitude \overline{BD}

just olya [345]

The length of $\overline{AC}$ is given by the relationship between the similar triangles

ΔABD and ΔBDC.

$\overline{AC}$ = <u>80</u>

Reasons:

The given parameters are;

The altitude of triangle ΔABD = $\overline {BD}$

The hypotenuse of formed right triangle = $\overline {AC}$

The length of AD = 8

Length of BD = 24

Whereby ΔABD is a right triangle

We have;

ΔABD is similar to ΔBDC

Therefore, by similar triangle proportional sides relationship, we have;

$\displaystyle \frac{\overline{AD}}{\overline{BD}} = \mathbf{ \frac{\overline{BD}}{\overline{DC}}}$

Which gives;

$\overline{BD}^2$ = $\mathbf{\overline{DC} \times \overline{AD}}$

Therefore;

$\displaystyle \overline{DC} = \mathbf{\frac{\overline{BD}^2}{\overline {AD}}}$

$\displaystyle \overline{DC} = \frac{24^2}{8} = \mathbf{72}$

$\overline{AC} = \overline{DC} + \overline{AD}$

Which gives;

$\overline{AC} = 72 + 8 =\mathbf{ 80}$

Learn more about similar triangles here:

brainly.com/question/4618367

8 0

2 years ago

Help help help math math ASAP

REY [17]

I think it is function also.

6 0

2 years ago

Help me ...........................

Iteru [2.4K]

Answer:

They will be able to.

Step-by-step explanation:

You first want to make sure the first three families have enough to eat.

$6\frac{1}{2} - 2\frac{7}{8} = 3\frac{5}{8}$

For further explanation look at the first image.

$3\frac{5}{8} > 2\frac{7}{8}$

Just to make sure

$3\frac{5}{8} - 2\frac{7}{8}=\frac{3}{4}$

For further explanation look at the second image.

The rest of the images show a model solution.

7 0

3 years ago

Can somebody plz answer this math problem correctly thanks!!

otez555 [7]

Answer:

33. 224

34. 128

35. 244

36. 160

Step-by-step explanation:

6 0

3 years ago

Please help me on this question?

NeTakaya

Four times fifteen plus twenty in parentheses
idk if its correct though <span />

3 0

3 years ago

Read 2 more answers